Improvement in machines for shaping brush-woods



J. AMES, Jr.

Machines for Shap ing-Brush-Woods. No, 145,545 Patented Dec16,\873.

Annmeys. I

v I Wit. I I

T 0AM.

UNITED STATES PATENT Orrrcn.

JOHN AMES, JR, OF LANSINGBUBG, NEWXORK.

IMPROVEMENT IN MACHINES FOR SHAPING BRUSH-WOODS.

Specification forming part of Letters Patent No. 145,546, dated December16, 1873;- application filed July 5, 1873.

To all whom "it may concern:

Be it known that I, JOHN Arms, J r., of Lansingburg, in the county ofRensselaer and State of New York, have invented a new and usefulImprovement in Machines for Shaping Brush-Woods, of which the followingis a specification:

Figure l is a top view of my 'improy'ed machine. Fig. 2 is a detailsection of the same, taken through the line .10 a: in Fig. 1.

Similar letters of reference indicate corresponding parts.

The invention consists in the improvement of bruslrstock-shapingdevices, as hereinafter described, and pointed out in the claims.

A represents the bench or table of the machine, through a hole in whichpasses a vertical shaft, B, upon which is formed a spiral cuttingedge,as shown in Fi 2. The upper end of the cutter-shaft B revolves inhearings in the end of a bracket, C attached to the upper side of thetable A, and its lower part revolves in bearings in theend of a bracket,1), attached tothe lower side of said table A. To the lower end of thecutter-shaft B is attached a pulley, E, to which the power is applied bya belt. F is atubular guard, through which the cutter B passes, and thelower end of which is flanged, and is secured to the table A. The guardF is designed for the brushholder to rest against, to guard it againstcoming in contact with'the cutter, and to guide it as it is moved alongsaid cutter. G is the base-plate of the holder, the forward edge ofwhich is made inthe form of the required edge of the brush-stock. To theupper side of the forward edge of the base-plate G is at tached a flangeor rim, H, of such a height as to afford space for the bristles of thebrush I,

.so that the said bristles may serve as a guide in placing the brush.The brush I is held securely, while being operated upon, by the plate J,which rests upon the back of the brush, and its forward edge is made ofthe exact form to be given to the edge of the brush, so as to firmlysupport the said brush while being operated upon. The plate J isattached to the forward end of a lever, K, which is pivoted to a stud,L, attached to the base-plate G. To the outer or rear end of the lever Kis pivoted the lever M, which has a cam formed upon its 1 lower end, topress against the upper side of the outer or rear end of the base-plateGr, so that the brush I may be securely clamped in place by operatingthe lever-cam M. The part of the plate J opposite the cutter B isfurther supported against the upward pressure of said cutter by theringguard N, through which the cutter passes, and which is supported inplace adjustably by screws 0, which pass up through the bracket 0, andhave nuts placed upon them above and below the said bracket (3, so thatthe guard N may be readily adjusted by turning the said nuts up anddown. The guard N is further secured and steadied by a set-screw, I,which passes in through a slot in an arm, Q, formed upon or attached tothe bracket (J, and screws into a lug formed upon the said guard N. Bythis construction the brush is shaped with an upward out toward the backof the brush, which leaves the edge around the bristles perfectly trueand smooth, the trifling sliverin g that may be made being around theback of the brush, where it can be readily worked out. To the under sideof the base-plate G of the holder is attached a pin, R, which enters agroove or slot in the table A, and serves as a pivot for controlling theholder.

If desired, another cutter of a different pitch may be attached to thetable A, for sharpening the ends of the brush-stock where the cut ismade across the grain of the wood.

II aving thus described my invention, I claim as new and desire tosecure by Letters Patent- 1. The spiral rotary cutter B and clamp,having upper and lower patterns H J, combined in a brush-shaping machineto allow an upward cut, in the manner described.

2. A guard, N, placed over the clamp, as described, to re-enforce itagainst the upward pressure of the cutter.

JOHN AMES, JR.

YVitnesses:

JAMES T. GRAHAM, T. B. MosHER.

